MCP4821T-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP4821T-E/SN is a 12-bit digital-to-analog converter from Microchip with SPI serial interface in SOIC-8 package. Features 4.096 V output range, low power consumption, and internal voltage reference. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4821T-E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7700(MOQ 25)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP4821T-E/SN?
- 12-bit resolution with SPI serial interface for precise analog output control
- Internal voltage reference supports output range up to 4.176 V without external components
- Ultra-low power operation in compact SOIC-8 package suitable for space-constrained designs
What is MCP4821T-E/SN used for?
The MCP4821T-E/SN is widely used in industrial control systems, sensor calibration circuits, and programmable power supplies where precise analog voltage output is required. It suits portable instrumentation and IoT devices due to its low power consumption and compact 8-pin package. Medical and consumer electronics designs benefit from its stable 12-bit resolution and reliable SPI communication.
What are the specifications of MCP4821T-E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Analog Output Voltage-Max | 4.176V |
| Converter Type | D/A CONVERTER |
| Input Bit Code | BINARY |
| Input Format | SERIAL |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.2929% |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Settling Time-Nom (tstl) | 4.5 µs |
| Supply Current-Max | 0.4mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Mainland China, Thailand |
Where can I find the MCP4821T-E/SN datasheet?
MCP4821T-E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4821T-E/SN?
Compatible alternatives and drop-in replacements for MCP4821T-E/SN:
Converter, 1 Func, Serial Input Loading, 4.5us Settling Time, PDSO8
Frequently Asked Questions
What resolution and output voltage range does the MCP4821T-E/SN provide?
The MCP4821T-E/SN is a 12-bit DAC offering an analog output voltage range up to 4.176 V. With 4096 discrete output levels, it enables fine-grained control suitable for precision analog signal generation, sensor calibration, and programmable reference voltage applications in embedded designs.
Which communication interface does the MCP4821T-E/SN use and how many pins does it require?
The MCP4821T-E/SN uses a 3-wire SPI serial interface, requiring only 3 signal lines (CS, SCK, SDI) for communication. Housed in an SOIC-8 package with 8 pins total, it minimizes PCB footprint while maintaining compatibility with virtually all microcontrollers featuring SPI peripherals operating at 3.3 V or 5 V logic levels.
When is MCP4821T-E/SN the right choice over a resistor-ladder DAC in an industrial sensor calibration design?
The MCP4821T-E/SN excels over resistor-ladder solutions when you need 12-bit precision (4096 steps) with a calibrated internal voltage reference, eliminating external component tolerance errors. Its SPI interface supports update rates up to 20 MHz, allowing dynamic calibration of multiple sensor channels in industrial environments operating from -40°C to +125°C extended temperature range.
How does the internal voltage reference of MCP4821T-E/SN simplify a portable measurement instrument design?
The MCP4821T-E/SN includes an internal reference that sets the full-scale output at 4.096 V, removing the need for a separate precision reference IC. This reduces BOM cost and component count, while the low 350 µA typical supply current keeps total power budget minimal — critical for battery-operated portable measurement instruments requiring long operating life.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $2.8700 | $71.75 |
| 50+ | $2.7400 | $137.00 |
| 100+ | $2.3800 | $238.00 |
| 1000+ | $2.2900 | $2290.00 |
| 5000+ | $2.2700 | $11350.00 |
| 6600+ | $1.7700 | $11682.00 |
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